Bump cloud.google.com/go/pubsub from 1.50.2 to 1.50.3 in /sdks (#39240)

Bumps [cloud.google.com/go/pubsub](https://github.com/googleapis/google-cloud-go) from 1.50.2 to 1.50.3.
- [Release notes](https://github.com/googleapis/google-cloud-go/releases)
- [Changelog](https://github.com/googleapis/google-cloud-go/blob/main/CHANGES.md)
- [Commits](googleapis/google-cloud-go@pubsub/v1.50.2...pubsub/v1.50.3)

---
updated-dependencies:
- dependency-name: cloud.google.com/go/pubsub
  dependency-version: 1.50.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

sdks/go.mod

@@ -29,7 +29,7 @@ require (
 	cloud.google.com/go/bigtable v1.50.0
 	cloud.google.com/go/datastore v1.24.0
 	cloud.google.com/go/profiler v0.6.0
-	cloud.google.com/go/pubsub v1.50.2
+	cloud.google.com/go/pubsub v1.50.3
 	cloud.google.com/go/spanner v1.92.0
 	cloud.google.com/go/storage v1.63.0
 	github.com/aws/aws-sdk-go-v2 v1.42.1

sdks/go.sum

@@ -85,8 +85,8 @@ cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
 cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/pubsub v1.19.0/go.mod h1:/O9kmSe9bb9KRnIAWkzmqhPjHo6LtzGOBYd/kr06XSs=
-cloud.google.com/go/pubsub v1.50.2 h1:54Up97HnThdP4H8jjWJSSQ/mnYG2EKon7ZSNETRq0tM=
-cloud.google.com/go/pubsub v1.50.2/go.mod h1:jyCWeZdGFqd4mitSsBERnJcpqaHBsxQoPkNvjj4sp0w=
+cloud.google.com/go/pubsub v1.50.3 h1:okVoz82+3gnnLoVp66tJK1WQjKODKJ0AzFMhAomOx2I=
+cloud.google.com/go/pubsub v1.50.3/go.mod h1:PGuOZazM7oVJuyQiwH8XLkfJq4zJuWGKLVWxPCCgGlk=
 cloud.google.com/go/pubsub/v2 v2.6.0 h1:8pjR0id+GTB+krKx5G6AGJoYrHog58w2Q89PCOrfM64=
 cloud.google.com/go/pubsub/v2 v2.6.0/go.mod h1:4anqvV/w8Pcgu2tO0qr2XgsF3GXHowzryfQ5gOnVmWY=
 cloud.google.com/go/secretmanager v1.3.0/go.mod h1:+oLTkouyiYiabAQNugCeTS3PAArGiMJuBqvJnJsyH+U=